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The SEIKO (SII) NH37 is a reliable automatic mechanical movement designed for watches that feature a 24-hour indicator alongside a date display. Built on Seiko’s proven NH platform, it delivers stable performance with a 3 Hz (21,600 vph) beat rate and includes a stop-seconds (hacking) function for precise time setting.
| Feature | Details |
|---|---|
| Brand / Calibre | SEIKO (SII) NH37 |
| Movement Type | Mechanical Automatic (hand-winding supported) |
| Size | 12‴ |
| Height | 5.32 mm |
| Display | 3 hands + date + 24-hour indicator |
| Beat Rate | 21,600 vph (3 Hz) |
| Jewels | 24 |
| Hacking | Yes (stop second) |
| Winding Stem | Included |
| Condition | Brand New |
| Authenticity | Genuine Hattori / Seiko Instruments |
| Packaging | SOFLY protective packing |
Q1: Is this a genuine Seiko movement?
A: Yes. This is a genuine SEIKO (SII) NH37, produced by Hattori / Seiko Instruments.
Q2: Does the NH37 have an independent GMT hand?
A: No. The 24-hour display is non-independent and serves as a day/night or second-time reference.
Q3: Is the winding stem included?
A: Yes. The winding stem is included. Other components (dial, hands, rotor, case) are not included.
Q4: What’s the difference between NH35 and NH37?
A: NH35 is a standard 3-hand date movement, while NH37 adds a 24-hour indicator.
